H2H data updated: 2026-07-18 22:32 UTC
Jelena Ostapenko vs Dayeon Back H2H: 0-1
Dayeon Back holds a 1–0 lead over Jelena Ostapenko in their WTA head-to-head. Across 1 main-draw meeting, Dayeon Back leads 1–0 on hard courts. Most recently, Dayeon Back won the 2023 Seoul third round 3-6 6-1 7-6(4).
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LAT
Age 29
Right-Handed
177 cm / 5'10"
H2H
0
–
1
1 main draw meetings
KOR
Age 24
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 12, 2023* | Seoul | WTA 250 | R32 | Hard | Dayeon Back | 3-6 6-1 7-6(4) | Jelena Ostapenko | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jelena Ostapenko | #29 | #5 | 5,611 | 2,028 | 289 | 210 | 57.9% | 1 | 1 | 0 | 3 | 4 | 9 |
| Dayeon Back | #260 | #260 | 282 | 1,528 | 1 | 5 | 16.7% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Jelena Ostapenko | Dayeon Back | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 2014 | 1–1 | 50.0% | #271 | 1,505 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2015 | 6–5 | 54.5% | #84 | 1,563 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2016 | 20–22 | 47.6% | #44 | 1,602 | 0 | 0 | 2021 | 0–1 | 0.0% | #1021 | 1,484 | 0 | 0 |
| 20 | 2017 | 41–20 | 67.2% | #7 | 1,887 | 1 | 2 | 2022 | 0–1 | 0.0% | #609 | 1,498 | 0 | 0 |
| 21 | 2018 | 21–20 | 51.2% | #22 | 1,752 | 1 | 2 | 2023 | 1–1 | 50.0% | #457 | 1,513 | 0 | 0 |
| 22 | 2019 | 25–25 | 50.0% | #45 | 1,795 | 1 | 3 | 2024 | 0–1 | 0.0% | #316 | 1,494 | 0 | 0 |
| 23 | 2020 | 8–7 | 53.3% | #44 | 1,793 | 1 | 3 | 2025 | 0–1 | 0.0% | #307 | 1,489 | 0 | 0 |
| 24 | 2021 | 31–18 | 63.3% | #28 | 1,896 | 1 | 4 | — | — | — | — | — | — | — |
| 25 | 2022 | 31–19 | 62.0% | #18 | 1,844 | 1 | 5 | — | — | — | — | — | — | — |
| 26 | 2023 | 38–22 | 63.3% | #13 | 1,912 | 1 | 6 | — | — | — | — | — | — | — |
| 27 | 2024 | 29–17 | 63.0% | #15 | 1,842 | 1 | 8 | — | — | — | — | — | — | — |
| 28 | 2025 | 17–19 | 47.2% | #23 | 1,773 | 1 | 9 | — | — | — | — | — | — | — |
| 29 | 2026 | 21–15 | 58.3% | #29 | 1,869 | 1 | 9 | — | — | — | — | — | — | — |